Warn users with unsupported browsers

Webknife supports modern browsers only. However, the framework will automatically warn users of
old versions of Internet Explorer, providing a link with information on how to upgrade. Example:

Customization

Custom builds allow all parts of the framework to be customized for a project.
This is entirely optional and only for advanced use.
Webknife uses a JavaScript build toolchain based on node,
npm,
and gulp.